142415220 has 48 divisors (see below), whose sum is σ = 409546368. Its totient is φ = 36950400.

The previous prime is 142415213. The next prime is 142415227. The reversal of 142415220 is 22514241.

142415220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142415213) and next prime (142415227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142415227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29856 + ... + 34295.

It is an arithmetic number, because the mean of its divisors is an integer number (8532216).

Almost surely, 2^142415220 is an apocalyptic number.

142415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142415220 is an abundant number, since it is smaller than the sum of its proper divisors (267131148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142415220 is a wasteful number, since it uses less digits than its factorization.

142415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64200 (or 64198 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142415220 is about 11933.7848145507. The cubic root of 142415220 is about 522.2183581694.

Adding to 142415220 its reverse (22514241), we get a palindrome (164929461).

The spelling of 142415220 in words is "one hundred forty-two million, four hundred fifteen thousand, two hundred twenty".